US Bridges

LA0099 over I-10

Fair

Jefferson Davis Parish, Louisiana · 1.0 MI N of US 90 · Structure no. 072701980301001

Built
1964
61 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
220 ft
4 main spans
Daily traffic
1,405
2021 count
Owner
State
State Highway Agency

About this bridge

LA0099 over I-10 is a steel stringer/multi-beam or girder carrying LA0099 over I-10 in Jefferson Davis Parish, Louisiana. It was built in 1964, so it is 61 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,405 vehicles a day, roughly 17% of them trucks, projected to reach 1,545 by 2041. The structure is 220 ft (67.1 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesLA0099
CrossesI-10
Location1.0 MI N of US 90
RouteState Highway 99
CountyJefferson Davis Parish
StateLouisiana
Coordinates30.24652, -92.82168
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span75 ft (22.9 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,405 (2021)
Projected traffic1,545 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA0099 over I-10 built?

It was built in 1964, making it 61 years old in 2025.

What condition is LA0099 over I-10 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does LA0099 over I-10 carry?

About 1,405 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is LA0099 over I-10?

The structure is 220 ft (67.1 m) long with a longest span of 75 ft (22.9 m) and a deck 34 ft wide.

Who owns LA0099 over I-10?

It is owned by the State Highway Agency.